hash.c File Reference

#include <stdint.h>
#include "hash.h"
#include "adler32.h"
#include "crc.h"
#include "md5.h"
#include "murmur3.h"
#include "ripemd.h"
#include "sha.h"
#include "sha512.h"
#include "avstring.h"
#include "base64.h"
#include "error.h"
#include "intreadwrite.h"
#include "mem.h"

Go to the source code of this file.

Data Structures
struct	AVHashContext

Enumerations
enum	hashtype {   MD5, MURMUR3, RIPEMD128, RIPEMD160,   RIPEMD256, RIPEMD320, SHA160, SHA224,   SHA256, SHA512_224, SHA512_256, SHA384,   SHA512, CRC32, ADLER32, NUM_HASHES }

Functions
const char *	av_hash_names (int i)
	Get the names of available hash algorithms. More...
const char *	av_hash_get_name (const AVHashContext *ctx)
int	av_hash_get_size (const AVHashContext *ctx)
int	av_hash_alloc (AVHashContext **ctx, const char *name)
	Allocate a hash context for the algorithm specified by name. More...
void	av_hash_init (AVHashContext *ctx)
	Initialize or reset a hash context. More...
void	av_hash_update (AVHashContext *ctx, const uint8_t *src, int len)
	Update a hash context with additional data. More...
void	av_hash_final (AVHashContext *ctx, uint8_t *dst)
	Finalize a hash context and compute the actual hash value. More...
void	av_hash_final_bin (struct AVHashContext *ctx, uint8_t *dst, int size)
	Finalize a hash context and store the actual hash value in a buffer. More...
void	av_hash_final_hex (struct AVHashContext *ctx, uint8_t *dst, int size)
	Finalize a hash context and store the hexadecimal representation of the actual hash value as a string. More...
void	av_hash_final_b64 (struct AVHashContext *ctx, uint8_t *dst, int size)
	Finalize a hash context and store the Base64 representation of the actual hash value as a string. More...
void	av_hash_freep (AVHashContext **ctx)
	Free hash context and set hash context pointer to NULL. More...

Variables
struct {
const char *   name
int   size
}	hashdesc []

Enumeration Type Documentation

enum hashtype

Enumerator
MD5
MURMUR3
RIPEMD128
RIPEMD160
RIPEMD256
RIPEMD320
SHA160
SHA224
SHA256
SHA512_224
SHA512_256
SHA384
SHA512
CRC32
ADLER32
NUM_HASHES

Definition at line 37 of file hash.c.

Function Documentation

const char* av_hash_get_name

(

const AVHashContext *

ctx

)

Examples:

ffhash.c.

Definition at line 90 of file hash.c.

Referenced by check(), finish(), main(), and writer_print_data_hash().

int av_hash_get_size

(

const AVHashContext *

ctx

)

Definition at line 95 of file hash.c.

Referenced by av_hash_final_b64(), av_hash_final_bin(), av_hash_final_hex(), and main().

Variable Documentation

const char* name

Definition at line 64 of file hash.c.

int size

Definition at line 65 of file hash.c.

const { ... } hashdesc[]

Initial value:

= {
    [MD5]     = {"MD5",     16},
    [MURMUR3] = {"murmur3", 16},
    [RIPEMD128] = {"RIPEMD128", 16},
    [RIPEMD160] = {"RIPEMD160", 20},
    [RIPEMD256] = {"RIPEMD256", 32},
    [RIPEMD320] = {"RIPEMD320", 40},
    [SHA160]  = {"SHA160",  20},
    [SHA224]  = {"SHA224",  28},
    [SHA256]  = {"SHA256",  32},
    [SHA512_224]  = {"SHA512/224",  28},
    [SHA512_256]  = {"SHA512/256",  32},
    [SHA384]  = {"SHA384",  48},
    [SHA512]  = {"SHA512",  64},
    [CRC32]   = {"CRC32",    4},
    [ADLER32] = {"adler32",  4},
}

Referenced by av_hash_alloc(), av_hash_get_name(), av_hash_get_size(), and av_hash_names().